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CAS Num: 001569-69-3
SMILES : SC(CCCC1)C1
CHEM : Cyclohexanethiol
MOL FOR: C6 H12 S1
MOL WT : 116.22
------------------------------ EPI SUMMARY (v4.00) --------------------------
Physical Property Inputs:
Water Solubility (mg/L): ------
Vapor Pressure (mm Hg) : ------
Henry LC (atm-m3/mole) : ------
Log Kow (octanol-water): ------
Boiling Point (deg C) : ------
Melting Point (deg C) : ------
Log Octanol-Water Partition Coef (SRC):
Log Kow (KOWWIN v1.67 estimate) = 3.05
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
Boiling Pt (deg C): 162.69 (Adapted Stein & Brown method)
Melting Pt (deg C): -45.30 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 2.65 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 353 (Mean VP of Antoine & Grain methods)
BP (exp database): 158.9 deg C
VP (exp database): 3.97E+00 mm Hg (5.29E+002 Pa) at 25 deg C
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 259.5
log Kow used: 3.05 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 555.42 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Thiols and Mercaptans
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 4.75E-003 atm-m3/mole (4.81E+002 Pa-m3/mole)
Group Method: Incomplete
For Henry LC Comparison Purposes:
User-Entered Henry LC: not entered
Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:
HLC: 1.562E-003 atm-m3/mole (1.582E+002 Pa-m3/mole)
VP: 2.65 mm Hg (source: MPBPVP)
WS: 260 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 3.05 (KowWin est)
Log Kaw used: -0.712 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 3.762
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.6922
Biowin2 (Non-Linear Model) : 0.7955
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.9423 (weeks )
Biowin4 (Primary Survey Model) : 3.6801 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.4775
Biowin6 (MITI Non-Linear Model): 0.5557
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.2755
Ready Biodegradability Prediction: NO
Hydrocarbon Biodegradation (BioHCwin v1.01):
Structure incompatible with current estimation method!
Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
Vapor pressure (liquid/subcooled): 529 Pa (3.97 mm Hg)
Log Koa (Koawin est ): 3.762
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 5.67E-009
Octanol/air (Koa) model: 1.42E-009
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 2.05E-007
Mackay model : 4.53E-007
Octanol/air (Koa) model: 1.14E-007
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 62.4584 E-12 cm3/molecule-sec
Half-Life = 0.171 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 2.055 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
3.29E-007 (Junge-Pankow, Mackay avg)
1.14E-007 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 233.9 L/kg (MCI method)
Log Koc: 2.369 (MCI method)
Koc : 443.3 L/kg (Kow method)
Log Koc: 2.647 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Rate constants can NOT be estimated for this structure!
Bioaccumulation Estimates (BCFBAF v3.00):
Log BCF from regression-based method = 1.677 (BCF = 47.49 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.4051 days (HL = 0.3934 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.832 (BCF = 67.92)
Log BAF Arnot-Gobas method (upper trophic) = 1.832 (BAF = 67.92)
log Kow used: 3.05 (estimated)
Volatilization from Water:
Henry LC: 0.00475 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 1.233 hours
Half-Life from Model Lake : 103.8 hours (4.327 days)
Removal In Wastewater Treatment:
Total removal: 66.40 percent
Total biodegradation: 0.06 percent
Total sludge adsorption: 3.92 percent
Total to Air: 62.42 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 2.82 4.11 1000
Water 43.3 360 1000
Soil 53.4 720 1000
Sediment 0.465 3.24e+003 0
Persistence Time: 146 hr